Saturday, October 9, 2010

103P Hartley 2010 Oct 01

Since the comet was moving fast at nearly four arc seconds per minute I stacked 3 exposures of 30 seconds each to get the comet against a a background of trailed stars.
The field width is 20 arc minutes, north is up and east to the left.
Telescope RCT .40m F10 + CCD
2010 Oct 01 20:38 UT La Cañada J87 J. Lacruz